Cylindrical aquarium



FIG. 1 is a perspective view of the cylindrical aquarium.

FIG. 2 is a front view of the cylindrical aquarium.

FIG. 3 is a rear view of the cylindrical aquarium.

FIG. 4 is a top view of the cylindrical aquarium; and,

FIG. 5 is a bottom view of the cylindrical aquarium.

The broken lines in the drawings define boundary lines and form no part of the claimed design.

The left side and right side are identical to the front view and rear view, respectively, shown. 

CLAIM We claim the ornamental design for a cylindrical aquarium, as shown and described. 